<template>
  <div class="index">
    <div class="back">
      <img src="@/assets/diQiu.png" alt="" />
      <img src="@/assets/jianTou.png" class="jiantou" alt="" />
      <img src="@/assets/wangGeQiu.png" class="wangGeQiu" alt="" />
    </div>
    <div class="map"></div>
  </div>
</template>

<script setup lang="ts">
// @ts-nocheck
import "@/map_js/china"; // 引入中国地图
import { onMounted } from "vue";
import * as echarts from 'echarts';

onMounted(() => {
  initEcharts();
});
function initEcharts() {
  let chinaGeoCoordMap = {
    黑龙江: [127.9688, 45.368],
    内蒙古: [110.3467, 41.4899],
    吉林: [125.8154, 44.2584],
    北京市: [116.4551, 40.2539],
    辽宁: [123.1238, 42.1216],
    河北: [114.4995, 38.1006],
    天津: [117.4219, 39.4189],
    山西: [112.3352, 37.9413],
    陕西: [109.1162, 34.2004],
    甘肃: [103.5901, 36.3043],
    宁夏: [106.3586, 38.1775],
    青海: [101.4038, 36.8207],
    新疆: [87.9236, 43.5883],
    西藏: [91.11, 29.97],
    四川: [103.9526, 30.7617],
    重庆: [108.384366, 30.439702],
    山东: [117.1582, 36.8701],
    河南: [113.4668, 34.6234],
    江苏: [118.8062, 31.9208],
    安徽: [117.29, 32.0581],
    湖北: [114.3896, 30.6628],
    浙江: [119.5313, 29.8773],
    福建: [119.4543, 25.9222],
    江西: [116.0046, 28.6633],
    湖南: [113.0823, 28.2568],
    贵州: [106.6992, 26.7682],
    云南: [102.9199, 25.4663],
    广东: [113.12244, 23.009505],
    广西: [108.479, 23.1152],
    海南: [110.3893, 19.8516],
    上海: [121.4648, 31.2891],
  };
  // 飞线点数据
  let chinaDatas = [
    [
      {
        name: "黑龙江",
        value: 0,
      },
    ],
    [
      {
        name: "内蒙古",
        value: 0,
      },
    ],
    [
      {
        name: "吉林",
        value: 0,
      },
    ],
    [
      {
        name: "辽宁",
        value: 0,
      },
    ],
    [
      {
        name: "河北",
        value: 0,
      },
    ],
    [
      {
        name: "天津",
        value: 0,
      },
    ],
    [
      {
        name: "山西",
        value: 0,
      },
    ],
    [
      {
        name: "陕西",
        value: 0,
      },
    ],
    [
      {
        name: "甘肃",
        value: 0,
      },
    ],
    [
      {
        name: "宁夏",
        value: 0,
      },
    ],
    [
      {
        name: "青海",
        value: 0,
      },
    ],
    [
      {
        name: "新疆",
        value: 0,
      },
    ],
    [
      {
        name: "西藏",
        value: 0,
      },
    ],
    [
      {
        name: "四川",
        value: 0,
      },
    ],
    [
      {
        name: "山东",
        value: 0,
      },
    ],
    [
      {
        name: "河南",
        value: 0,
      },
    ],
    [
      {
        name: "江苏",
        value: 0,
      },
    ],
    [
      {
        name: "安徽",
        value: 0,
      },
    ],
    [
      {
        name: "湖北",
        value: 0,
      },
    ],
    [
      {
        name: "浙江",
        value: 0,
      },
    ],
    [
      {
        name: "福建",
        value: 0,
      },
    ],
    [
      {
        name: "江西",
        value: 0,
      },
    ],
    [
      {
        name: "湖南",
        value: 0,
      },
    ],
    [
      {
        name: "贵州",
        value: 0,
      },
    ],
    [
      {
        name: "广西",
        value: 0,
      },
    ],
    [
      {
        name: "海南",
        value: 0,
      },
    ],
    [
      {
        name: "上海",
        value: 1,
      },
    ],
  ];
  let formdata = "北京市"; // 中心点图标
  let convertData = (data) => {
    let res = [];
    for (let i = 0; i < data.length; i++) {
      // console.log(data[i])
      let dataItem = data[i];
      let fromCoord = chinaGeoCoordMap[dataItem[0].name];
      let toCoord = [116.4551, 40.2539]; //中心点地理坐标
      if (fromCoord && toCoord) {
        res.push([
          {
            // 飞线从哪里出发
            coord: toCoord,
          },
          {
            // 飞线去往哪里
            coord: fromCoord,
            value: dataItem[0].value,
          },
        ]);
      }
    }
    return res;
  };
  let series = [];
  [[formdata, chinaDatas]].forEach(function (item, i) {
    // console.log(item)
    series.push(
      {
        type: "lines",
        coordinateSystem: "geo",
        zlevel: 2,
        effect: {
          show: true,
          period: 4, //箭头指向速度，值越小速度越快
          trailLength: 0, //特效尾迹长度[0,1]值越大，尾迹越长重
          symbol: "arrow", //箭头图标
          symbolSize: 5, //图标大小
          color: "#fcdd6e", // 图标颜色
        },
        lineStyle: {
          normal: {
            show: true,
            width: 1, //尾迹线条宽度
            opacity: 1, //尾迹线条透明度
            curveness: 0.3, //尾迹线条曲直度
            color: "#fcdd6e", // 飞线颜色
          },
          color: "#fcdd6e",
        },
        data: convertData(item[1]),
      },
      {
        type: "effectScatter",
        coordinateSystem: "geo",
        zlevel: 2,
        rippleEffect: {
          //涟漪特效
          period: 4, //动画时间，值越小速度越快
          brushType: "stroke", //波纹绘制方式 stroke, fill
          scale: 3, //波纹圆环最大限制，值越大波纹越大
          color: "#fcdd6e",
        },
        label: {
          normal: {
            show: false,
            position: "right", //显示位置
            offset: [5, 0], //偏移设置
            formatter: function (params) {
              //圆环显示文字
              return params.data.name;
            },
            fontSize: 13,
          },
          emphasis: {
            show: false,
          },
        },
        symbol: "circle",
        symbolSize: function (val) {
          return 5; //圆环大小
        },
        itemStyle: {
          normal: {
            show: false,
            color: "#fce182",
          },
        },
        data: item[1].map(function (dataItem) {
          return {
            //在这里定义你所要展示的数据
            // name: dataItem[0].name,
            // value: chinaGeoCoordMap[dataItem[0].name].concat([dataItem[0].value]),
            name: dataItem[0].name,
            value: chinaGeoCoordMap[dataItem[0].name].concat([
              dataItem[0].value,
            ]),
          };
        }),
      },
      //中心点
      {
        type: "effectScatter",
        coordinateSystem: "geo",
        zlevel: 15,
        rippleEffect: {
          period: 4,
          brushType: "stroke",
          scale: 4,
          color: "#38ff85",
        },
        label: {
          normal: {
            show: false,
            position: "right",
            //offset:[5, 0],
            color: "#38ff85",
            formatter: "{b}",
            textStyle: {
              color: "#38ff85",
            },
          },
          emphasis: {
            show: false,
            color: "#38ff85",
          },
        },
        symbol: "circle",
        symbolSize: 5,
        itemStyle: {
          color: "#38ff85",
        },
        data: [
          {
            name: item[0],
            value: chinaGeoCoordMap[item[0]].concat([10]),
          },
        ],
      }
    );
  });
  initMap(series);
}

function initMap(series) {
  let myChart = echarts.init(document.querySelector(".map"));
  let option = {
    // bgColor: '#1a1e45',
    tooltip: {
      trigger: "item",
    },
    legend: {
      orient: "horizontal", //图例的排列方向
      // textStyle: { color: '#1a1e45' },
      x: "left", //图例的位置
      y: "-20000000000000",
    },
    visualMap: {
      //颜色的设置  dataRange
      // textStyle: { color: '#1a1e45' },
      x: "left",
      y: "bottom",
      // splitList: [{ start: 0, end: 150000 }],
      show: false,
      // text:['高','低'],// 文本，默认为数值文本
      // color: ['#1a1e45'],
    },
    geo: {
      map: "china",
      zoom: 1.2,
      label: {
        normal: {
          show: false,
          textStyle: {
            color: "#FFFFFF",
          },
        },
        emphasis: {
          show: true,
          fontSize: 14,
        },
      },
      roam: false, //是否允许缩放
      itemStyle: {
        normal: {
          color: "rgba(26, 30, 69, 0.5)", //地图背景色
          borderColor: "rgba(34, 204, 251, 0.5)", //省市边界线00fcff 516a89
          borderWidth: 1,
          textStyle: "#fff",
        },
        emphasis: {
          color: "rgba(34, 204, 251, 0.5)", //悬浮背景
        },
      },
      data: [],
    },
    series: series,
  };

  myChart.setOption(option);
  window.addEventListener("resize", function () {
    myChart.resize();
  });
}
</script>

<style lang="scss" scoped>
.index {
  width: 100%;
  height: calc(100% - 80px);
  padding-top: 20%;
  position: relative;
  width: 100%;
  height: 100%;
  .back {
    img {
      max-width: 100%;
      background-position: center center;
      background-repeat: no-repeat;
      opacity: 0.3;
      position: absolute;
      top: 14%;
      left: 0;
    }
    .jiantou {
      top: 11%;
      left: -20px;
      max-width: 109% !important;
      animation: jianTouRotate 10s linear infinite;
    }
    .wangGeQiu {
      animation: wangGeRotate 10s linear infinite;
    }
  }
  // 地图
  .map {
    width: 100%;
    height: 100%;
    top: -11%;
  }
  // 定义动画：
  // 箭头动画效果
  @keyframes jianTouRotate {
    from {
      transform: translate(0, 0) rotate(0deg);
    }
    to {
      transform: translate(0, 0) rotate(-360deg);
    }
  }
  // 网格球动画
  @keyframes wangGeRotate {
    from {
      transform: translate(0, 0) rotate(0deg);
    }
    to {
      transform: translate(0, 0) rotate(360deg);
    }
  }
}
</style>
